Ben Waldau, M.D.
NPI 1982879524ActiveIndividual· Neurological Surgery· Sacramento, CA
Neurological Surgery (M.D.) with Regents of the Univ of Ca, practicing in Sacramento, California. Mostly services rather than prescriptions: Medicare paid $148,606 for 205 patients in 2024, with only 37 Part D claims. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $104,850 in all, mostly consulting fees. Lists Adventist Health and Rideout and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1982879524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2008 |
| Last updated in NPPES | Jul 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A121095 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 713 across 55 procedure codes |
| Paid by Medicare | $148,606 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 42 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $6,453 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
Hospital affiliations
- Adventist Health and RideoutMarysville, CA
- Adventist Health Lodi MemorialLodi, CA
- Marshall Medical CenterPlacerville, CA
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$104,850 · 86 payments from 6 companies
- 2024$31,409 · 32 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $103,242 | 72 |
| Microvention, Inc. | $1,263 | 9 |
| Route 92 Medical, Inc. | $186.51 | 2 |
| Penumbra, Inc. | $117.68 | 1 |
| Chiesi USA, Inc. | $21.96 | 1 |
What the 2025 payments were for
- Consulting Fee$88,550 · 17 payments
- Travel and Lodging$13,794 · 33 payments
- Food and Beverage$2,506 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurosurgeons in Sacramento
- 1114284478
- 1154358661
- 1285895045
- 1447406509
- 1689864506
- 1700309168
- 1740266758
- 1790768679
- 1801917554
- 1831410299
- 1841305554
- 1861750713
All 61 neurosurgeons in Sacramento · All neurosurgeons in California